Umm that really is a lot of words there but I will try to find a explanatory answer
Answer:
hope it helps
Explanation:
Cooler materials move from Earth's mantle to the lithosphere. Cooler materials are highly dense, causing them to sink to the outer core.
Answer:
Explanation:
biology of your talking about life evolution but all if your talking about mankind evolution and technology
C. Australia was covered in ice during a key geologic period.
at the time of coal forming, Australia was closest to the south pole, so it was too cold.